indexo.dev

app.io

.io crawl

First seen 2026-04-14 · Last seen 2026-05-06 · ok HTTP/1.1 200 705 ms crawled 2026-05-08

US · 13.248.169.48 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

DNS records live

NS
  • ns3.afternic.com
  • ns4.afternic.com
MX
  • 0

Email authentication weak

SPF
v=spf1 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Go Daddy Secure Certificate Authority - G2
from 2025-05-09 to 2026-05-09
Expired 10 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://app.io/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)